232. .— WORMS. TESTACEA. 62. Venue. 
Shell fometimes entirely white, fometimes reddifh at the fides 
and red within with a yellow knob; perpendicular. ftrie 
ftronger: margin within glabrous, without crenate: flopes 
narrow : hinge with 2 middle teeth, 
Prefrata, Shell orbicular, tranfverfely ftriate, with rough membra: 
| 'naceous lips. ! 
Born Muf. Cas. Vind. tefl. tab. 5. fig. 6. 
Chemn. conch. 6, tab. 29. fig. 298. 
Inhabits Coromandel; 2 inches long and a little lefs broad. 
Shell flattened black cinereous or brownifh: beaks inflected: 
anterior flope with an oblong gape, polterior heart-fhaped, 
Penfyluae Shell lentiform with glabrous wrinkles; white, with a lon- 
nica. gitudinal groove on the anterior part each fide. - 
Lifter. rab. 305. Argen. conch. tab. 21, N. 
Knorr Vergn. 4. tab. 14. fig. 4. 
Born. Muf. Caf. Vind, teft. tab. 5. fig. 8. 
Schrat. Journ. 31. tab. 2. fig, 8. | 
Chemn. conch. 7. tab. 37. fiz. 394—399. 
2. With an additional longitudinal groove behind, 
Lifter Conch. tab. 265 ? tab. 298. 
Chemn. conch, 7. tab. 39s fig. 408, 40g. 
3. Very brittle. O.Fab. fa. Graal. p. 313. 1. 3142 
Inhabits America; 2 inches long : white folid with a linear fron- 
tal gape; poíterior impreflion {mall wrinkled heart-fhaped : 
margin very entire, 
Spuriae — Shell white fubglabrous, with a longitudinal &roove on the 
anterior part: hinge without lateral teeth. 
Lister. Conch. tab. 296. pig. 133. 
Chema. conch. 7. tab. 38. fig. 399. 
Inhabits Iceland and Ferroe I/fand; refembles the laft. 
Incrustata, Shell lentiform glabrous and quite fmooth with excavated 
dots. 
Inhabits India. Muf Lud. Ulr. p. 505. v. 68. 
Shell covered with a thick whitifh cruft within, and is probably 
the fame as V. tigerina deformed by age. 
Puniata. Shell lentiform, longitudinally grooved, dotted within. 
Rumpf. Muf. tab. 43. D. Gualt. teft. tab. 75. D. 
Petiv. Amb. ag. tab. 18. fig. 6. 
Chemn. conch. 7. tab. 37. fig. .3975.3987- 
Inhabits India, 2 inches long, 2 £ broad, 
Shell thick antiquated, white mixed here and there with reddifh, 
covered within with a thick ochraceous croft; the margin 
very entire, 
; * Exoleta. 
